EP3123608A2 - Étage d'entrée pour une commande de moteur, et commande du moteur, en particulier pour un moteur électrique - Google Patents

Étage d'entrée pour une commande de moteur, et commande du moteur, en particulier pour un moteur électrique

Info

Publication number
EP3123608A2
EP3123608A2 EP15825923.4A EP15825923A EP3123608A2 EP 3123608 A2 EP3123608 A2 EP 3123608A2 EP 15825923 A EP15825923 A EP 15825923A EP 3123608 A2 EP3123608 A2 EP 3123608A2
Authority
EP
European Patent Office
Prior art keywords
signal
input
input stage
output
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15825923.4A
Other languages
German (de)
English (en)
Other versions
EP3123608B1 (fr
Inventor
Joachim Knorr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ziehl Abegg SE
Original Assignee
Ziehl Abegg SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ziehl Abegg SE filed Critical Ziehl Abegg SE
Priority to SI201530733T priority Critical patent/SI3123608T1/sl
Publication of EP3123608A2 publication Critical patent/EP3123608A2/fr
Application granted granted Critical
Publication of EP3123608B1 publication Critical patent/EP3123608B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/40—Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/06—Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor

Definitions

  • the invention relates to an input stage for a motor controller, in particular a motor controller for an electric motor, wherein the input stage has an input for inputting an input signal and an output for connection to the motor controller, wherein the input stage is adapted to an input signal between a first voltage Uunten and a second voltage Uoben> Uunt create a control signal and output the control signal as setpoint input via the output to the engine control.
  • the invention further relates to a motor controller, in particular for an electric motor, having a corresponding input stage, wherein the input stage is connected to a control input of the motor controller, wherein the motor controller based on a control signal received via the control input controls an engine connected to the engine control in such a way, that a setpoint coded in the control signal is maintained at least approximately.
  • the invention further relates to a corresponding interface adapter.
  • Motor controls are used to control many electric motors. These generate from a DC or AC voltage one or more voltages for driving the electric motor. For some engine technologies, such as EC (Electronically Commutated) engines, this is even essential, since the motor control outputs voltages to the stator of the motor that cause the rotor to rotate first.
  • the motor control is often integrated into the housing of the motor or arranged in an additional housing on the motor housing.
  • Corresponding engine controls are well known in practice. A field of application for such motor controls are, for example, fans with EC motor with integrated electronics.
  • a control signal for example, a Voltage between 0 V and 10 V.
  • the control signal is output by a controlling device, which predetermines, for example in a ventilation control, a setpoint speed as a function of a measured temperature.
  • a message output is provided in the motor control via which status information can be output to the connected motor.
  • the message output can be used to communicate the correct operation or a fault condition of the motor.
  • motor controls are known in which the performance of the connected motor can be changed by parameterization and / or adapted to customer requirements without changing the firmware in the motor control, i. to adjust the programming. This possibility is important in many cases, in order to obtain a certain degree of flexibility with regard to customer adjustments in terms of certifications and approvals, which can make firmware changes very complex.
  • a communication interface is required, which is often also usable for importing a new firmware into the motor control.
  • many changes to the parameterization are necessary when commissioning a plant in order to adapt the plant as best as possible to the actual operating environment by setting parameters. Therefore, the communication interface must be accessible even after completion of the device or system in which the motor and motor control are installed.
  • the disadvantage is that this results in narrow limits with regard to the installation location of the motor control or that additional communication lines and connections must be installed.
  • the former option for example, often can not be met in fans, as they are installed in many devices and systems quite inaccessible.
  • the provision of communication lines creates additional installation effort and requires connection space for the terminals.
  • the present invention is therefore based on the object, an input stage, a motor controller and an interface adapter of the type mentioned in such a way and further, that communication with the engine control with the lowest possible installation costs and low cost is possible.
  • the above object is solved by the features of claim 1.
  • the input stage in question is characterized by a first comparator for comparing the input signal with a first threshold voltage Usi> Uoben and a data output unit, wherein the data output unit generates a communication signal based on at least a portion of the input signal, the first comparator upon reaching or exceeding the first threshold voltage Usi by the input signal outputs an activation signal that activates an output of the communication signal through the data output unit to the output.
  • the above object is achieved by the features of claim 9.
  • the motor control in question is characterized in that the motor controller comprises means for detecting a signal applied to the control input communication signal and that the motor controller is adapted to change upon detection of a communication signal at the control input in a configuration mode and to process the received communication signal
  • the above object is achieved by the features of claim 13.
  • the interface adapter then comprises a first interface and a second interface, the first interface being connectable to a terminal, in particular a programming device, the second interface being connectable to the input stage and the interface adapter receiving data received via the first interface to an input signal for the input stage and outputs to the input stage.
  • an input signal between a first voltage Uunten and a second voltage Uoben is usually used to specify a desired value, the second voltage Uoben being greater than the first voltage Uunt.
  • the input stage comprises a first comparator which compares the input signal with a first threshold voltage Usi. When the input signal reaches or exceeds the first threshold voltage Usi, the first comparator outputs an enable signal.
  • This activation signal is supplied to a data output unit, which is caused by the activation signal to output a communication signal, wherein the communication signal is generated based on at least a portion of the input signal.
  • mobile interface adapters can be provided which cause the input stage to generate an activation signal and generate a suitably modulated input signal to the input stage the data output unit can generate a communication signal for the motor control. In this way, relatively few additional components are necessary to provide the engine control with a communication capability.
  • the interface adapter As a mobile device is a preferred embodiment, "stationary" interface adapters are also conceivable, ie the interface adapter remains on the device This is particularly suitable in application scenarios in which changes are frequently made to the parameterization or the firmware In this scenario, too, the advantages of the input stage according to the invention can be realized, for example with regard to the reduced installation effort It would also be conceivable for the interface adapter to be integrated into or arranged in the controlling device which outputs a setpoint value to the motor control Interface adapter could be connected to a bus, such as a digital bus system, which would allow the transfer of a new parameterization or program update from a distance In the control device, the bus system could be used to control the motor as well as for parameterization.
  • a bus such as a digital bus system
  • the input stage according to the invention can be realized in many different ways. Thus, it would be conceivable to arrange the components of the input stage in a separate module which is connected between the actual motor control and the control input. In a preferred embodiment, however, the input stage is arranged on the board of the motor control. As for the altechnisch the input stage few components are necessary, these can be arranged relatively easily on the engine control board.
  • the data output unit can generate the communication signal based on various parts of the input signal.
  • a frequency- and / or amplitude-modulated signal can be input, which can assume a wide variety of voltage levels.
  • the data output unit generates the communication signal from a portion of the input signal that is greater than or equal to the first threshold voltage Usi. In this way, it is possible to prevent a configuration mode from being activated by a voltage spike that exceeds the first threshold voltage Usi and that the motor control is set to an undefined state.
  • the input signal remains in a configuration mode above the first threshold voltage Usi, thereby permanently outputting an enable signal through the first comparator. As a result, especially in harsh operating environments with a high noise signal, the reliability can be increased.
  • a first switching device for activating the output of the communication signal by the data output unit to the output of the input stage.
  • the first switching device preferably has two inputs, wherein one of the two inputs is connected to the data output unit and wherein at least temporarily the actuating signal is applied to the second of the two inputs.
  • the first switching device may alternatively switch the actuating signal or the communication signal to the output of the switching device.
  • the activation signal is configured as a switching signal for the switching device, which is input to a switching input of the switching device and which triggers a switching operation when a switching level is exceeded or fallen below.
  • the first switching device can be configured such that at a voltage at the switching input is lower than the switching level, the control signal is output at the output of the switching device. When the switching level is exceeded by the activation signal, the first switching device can switch to the other input and thereby output the communication signal to the output.
  • the data output unit can in principle be designed in many different ways. The particular design of the data output unit will essentially depend on what proportion of the input signal the communication signal is to be extracted.
  • the data output unit comprises a second switching device and a second comparator. The second comparator compares the input signal with a second threshold voltage Us2, wherein the second threshold voltage Us2 is greater than the first threshold voltage Usi.
  • the second comparator can generate a switching signal and output this to a switching input of the second switching device.
  • the second switching device may have two inputs, one of which is acted upon by a first logic signal and the other with a second logic signal.
  • the first logic signal and the second logic signal represent complementary logic values, in particular a logic 0 and a logic 1.
  • the logic signals can be formed in different ways.
  • a first logic signal may represent a square wave signal having a first frequency and the second logic signal a square wave voltage having a second frequency. In this way, when switching from the first logic signal to the second logic signal or vice versa, a frequency-modulated signal can be generated at the output of the switching device.
  • the first logic signal is gel by a high level
  • the second logic signal formed by a low level. It would be conceivable, for example, a low level at 0 volts and a high level at +5 volts.
  • the second switching device is preferably designed such that falls below a switching level by the switching signal, the first logic signal is applied to an output of the second switching device, while when the switching level is exceeded by the switching signal, the second logic signal applied to the output of the second switching device. Since the switching signal is output by the second comparator, the input signal with the second Threshold voltage Us2 compares, this means that falls below the second threshold voltage Us2 by the input signal, the first logic signal is applied to the output of the second switching device, while reaching or exceeding the second threshold voltage Us2, the switching device is actuated and thereby the second logic signal to the output of the second Switching device is switched.
  • switching device when “falling below a switching level” and when “exceeding the switching level” not necessarily identical switching levels must be present. Rather, the switching device may have a certain hysteresis, so that the switching levels for switching the switching device may differ from each other.
  • the first and / or second comparator and the first and / or second switching device can be implemented in various ways.
  • the comparator (s) can in each case be realized with an operational amplifier, at whose one input, for example the inverting input, the respective threshold voltage is present and at whose second input, for example at the non-inverting input, the input signal is present.
  • the operational amplifier can be connected as a Schmitt trigger.
  • the switching device (s) is / are preferably implemented by an electronic switching device. For example, it would be conceivable to use one or more MOSFETs (Metal Oxide Semiconductor Field-Effect Transistor). With sufficient level change of the input signal, the threshold voltage (s) need not be too accurate. Precision voltage sources are not necessary. In a very simple embodiment, the threshold voltage (s) may be generated by a voltage divider or zener diodes.
  • the generation of an actuating signal from the input signal can be done in various ways.
  • the input signal can be passed as a control signal to the motor control, in which case, because of the possibility of a higher voltage than the second voltage Uoben nor a surge protection, for example in the form a zener diode, may be provided.
  • an analog-to-PWM converter for generating the actuating signal from the input signal is provided.
  • the analogue to PWM converter generates a PWM signal (pulse-width-modulated signal) from the input signal.
  • the generated PWM signal preferably has a fixed frequency, for example 1 kHz. Different voltages of the input signal may be coded in the modulation level of the PWM signal.
  • the first voltage Uunten in a first Aus confusegrad would be encoded
  • the second voltage Uoben in a second Aus confusegrad and voltages between the first voltage Uunten and the second voltage Uoben by a Aus confusegrad between the first and the second Aus confusegrad.
  • the voltage range is preferably linearly mapped to the Aus confusegrad.
  • the first voltage could be, for example, in a first Aus Kunststoffgrad of 25% and the second voltage Uoben in a second Aus Kunststoffgrad of 75% kordiert.
  • a voltage of 4 volts would result in a 45% duty cycle, ie, during one period of the PWM signal, 45% would go high % are at a low level.
  • suitable analog-to-PWM converters are well known in practice.
  • a motor control according to the invention has an input stage according to the invention.
  • the engine control In its basic functions, the engine control essentially resembles the motor controls known from practice.
  • the motor control has a control input, via which the motor control can receive a control signal.
  • the engine control unit controls a motor connected to it in such a way that the desired value is maintained at least approximately.
  • the setpoint is a setpoint speed, ie, the engine control controls or regulates the engine such that the setpoint speed is at least approximately maintained.
  • the motor controller according to the invention additionally has means for detecting a communication signal applied to the control input.
  • the motor control unit When a communication signal at the control input is detected, the motor control unit changes into a Configuration mode and then processes the received communication signal. How the processing of the communication signal is configured depends on what is transmitted with the communication signal. When a changed parameter is transmitted to the motor control, the motor control would adjust the parameterization. Upon transmission of a firmware update or other program changes, the engine controller would update the program stored in the engine controller when processing the communication signal accordingly.
  • the means for detecting a communication signal may be formed in different ways. Thus, it would be conceivable that a logic level is transferred from the input stage via a separate line to the motor controller, with which, for example, the activation signal from the first comparator is transferred directly to the motor controller.
  • the means for detecting a communication signal are preferably designed for evaluating the frequency of a voltage applied to the control input of the motor control signal.
  • the control signal according to the aforementioned example has a frequency of 1 kHz
  • the first frequency which the means for detecting a communication signal must recognize would be a frequency of 1 kHz.
  • the second frequency would be defined by the frequency with which the data output unit codes the communication signal.
  • Conceivable for example, would be a frequency greater than or equal to 9 kHz. In this way, a communication signal can be detected in a very simple manner by appropriate frequency sensitivity. Since, for example, when parameterizing or programming the engine control feedback from the engine control makes sense, the engine control can have a specially designed reporting output, which can use the engine control as a communication line. It would be conceivable, the message output in normal operation of the engine control for signaling operating conditions and in configuration mode for sending responses to a received communication signal. In this way, in this embodiment of the engine control according to the invention via the control input a Rx line and be implemented on the reporting output a Tx line. This allows bidirectional communication between a programmer and the engine controller.
  • a reset button may be actively activated, thereby restarting the engine control and returning to normal operation after the restart.
  • a termination signal to be sent to the motor controller with the communication signal, whereby the motor controller terminates the configuration mode on detection of the termination signal and returns to the normal operating mode. This can also be done in conjunction with a restart of the engine control, i. the termination signal initiates a restart of the engine control
  • FIG. 1 A schematic representation of an embodiment of an input stage according to the invention for a motor control.
  • the single FIGURE shows an embodiment of an input stage 1 according to the invention, which is connected to a motor control 2.
  • the input stage 1 has an input 3 and an output 4.
  • In the entry level is a first ter comparator 5, a second comparator 6, a first switching device 7 and a second switching device 8 and an analog-to-PWM converter 9 included.
  • the input 3 is connected to the non-inverting input of the first comparator 5, to the non-inverting input of the second comparator 6 and to the analog input of the analog-to-PWM converter 9.
  • a first threshold voltage Usi 13 V is applied.
  • a second threshold voltage Us2 15 V is applied.
  • the first comparator 5 compares an input signal applied to the input 3 with a first threshold voltage Usi of 13 volts, while the second comparator 6 compares the input signal with the second threshold voltage Us2 of 15 volts.
  • the output of the first comparator 5 is connected to the switching input of the first switching device 7, the output of the second comparator 6 is connected to the switching input of the second switching device 8.
  • the PWM output of the analog-to-PWM converter 9 is connected to one of the inputs of the first switching device, which is present at the output of the first switching device without an applied switching signal.
  • the second input of the first switching device 7 is connected to the output of the second switching device 8.
  • the first logic signal is connected to the output by default, which corresponds to a logic 1.
  • the second comparator 6 and the second switching device 8 together form the data output unit 10.
  • the output by the analog-to-PWM converter 9 PWM signal has a fixed frequency of 1 kHz, the Aus confusegrad depending on the voltage applied to the analog input voltage is selected.
  • the Aus confusegrad equal to 25%, which increases linearly with increasing input voltage until the voltage of 10 V and a Aus confusegrad of 75% is reached.
  • the input signal When a communication signal is to be sent to the motor controller 2, the input signal must have a voltage suitable for activating the first switching device 7. Since the first threshold voltage Usi is selected to be 13 V in the exemplary embodiment, the input voltage applied to the input 3 must reach or exceed a voltage of 13 V. When the voltage of 13 volts is reached or exceeded, the first comparator 5 outputs an activation signal to the control input of the first switching device 7, which causes the first switching device 7 to switch to the other input of the first switching device 7. Thus, a signal generated by the data output unit 10 is applied to the output 4 of the input stage 1 and the output of a communication signal by the data output device at the output of the input stage is activated. In the selected embodiment, a logical 1 would be output to the engine controller 2.
  • the second comparator 6 When the input signal reaches or exceeds a voltage of 15 volts, the second comparator 6 outputs a switching signal to the second switching device 8, whereby the second switching device 8 switches to the other input corresponding to a logical 0.
  • a logic 0 By a voltage above 13 volts and below 15 volts, a logical 1 and a voltage above 15 volts, a logic 0 are coded into the input signal. It would be conceivable, for example, to code a logic 0 with a voltage of 14 V and a logic 0 with a voltage of 16 V in the input signal.
  • the input stage 1 can output the hitherto customary control voltage between 0 and 10 volts as a control signal to the motor control 2 and at the same time transfer a communication signal to the motor control at a voltage greater than 10 volts.
  • the output 4 in the input stage 1 is connected to a control input 1 1 of the motor controller 2.
  • means for detecting NEN the frequency of the signal applied to the input 1 1 implemented. These means decide, for example, at a signal frequency of 1 kHz for the application of a control signal.
  • the setpoint value for example a setpoint speed, which is coded in the control signal, is suitably processed by the engine control and, for example, the engine connected to the engine control system is regulated to the setpoint speed. If the communication path is switched on due to the voltage level in the input signal, then this frequency is no longer present at the input 1 of the motor control 2. This can be used to detect a configuration mode.
  • the frequency of the communication interface may be set to be significantly higher than the frequency of the PWM signal, for example, greater than or equal to 9 kHz.
  • the motor controller 2 recognizes, on the basis of this definition, whether an analog control signal or a communication signal is present at the input of the input stage.
  • the evaluation of the analog control signal is terminated and the input 1 1 reconfigured to a data input RxD.
  • the engine control is then placed in a configuration mode. If the engine connected to the engine control is still in motion, the engine may be placed in a safe operating mode, for example brought to a standstill. Alternatively, the engine could continue to rotate at the previously entered target speed until the engine control returns to normal operation and the control input is re-evaluated.
  • the engine control 2 additionally has a signaling output 12, via which status messages about the enclosed engine and / or the engine control are output in a normal operation. When the configuration mode is activated, the monitoring output 12 is reconfigured to a transmission line TxD.
  • corresponding input device For inputting an actuating signal and for communication, corresponding input device (not shown) is connected to a control input 13 and a signaling output 14.
  • a controller can be connected to the control input, which receives status information about the motor via the signaling output 14.
  • the controller in the present embodiment would generate an input signal between OV and 10 V and input to the control input 13.
  • the control input 13 is connected to the input 3 of the input stage 1.
  • a suitable communication signal must be entered.
  • a communication device can be connected instead of the controller. This communication device may either directly generate a suitably modulated communication signal or may be connected to an interface adapter.
  • the interface adapter could have a standard interface on the input side, for example an RS-485 interface. On the output side, the interface adapter would be connected to the control input 13 and the message input 14. When a logical 1 is received via the RS-485 interface, the interface adapter converts it to a voltage of, for example, 14V. With a logical 0 to be transmitted at the RS-485 interface, the interface adapter outputs a voltage of, for example, 16V.
  • the interface adapter thus represents an amplitude modulator. Accordingly, the interface adapter can convert a signal received via the signaling output into an RS-485 signal. In this way, a common communication device with RS-485 interface can be connected using an interface adapter with the motor controller according to the invention.
  • the state of the configuration mode is maintained until a reset of the motor controller 2. Only after the reset can an analog control signal in the motor controller 2 be evaluated again.
  • An interface adapter minimizes the number of components required in the entry level, which in turn has a positive effect on overall costs. This allows the input stage to be used in small and inexpensive fans. All that is necessary to realize an interface in an industry standard, outside the fan in the Interface adapters are outsourced. This interface adapter is mobile and can be removed after use. For applications where, for example, changes are frequently made, the interface adapter can also be stationary, ie it can remain with the device.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

L'invention concerne un étage d'entrée (1) pour une commande de moteur (2), en particulier une commande de moteur pour un moteur électrique, l'étage d'entrée (1) présentant une entrée (3) pour entrer un signal d'entrée et une sortie (4) pour établir une liaison avec la commande de moteur (2). L'étage d'entrée (1) est conçu pour générer un signal de réglage à partir d'un signal d'entrée entre une première tension Uinférieure et une seconde tension Usupérieure, Usupérieure étant supérieure à Uinférieure , et pour transmettre le signal de réglage en tant que valeur de consigne, par l'intermédiaire de la sortie (4), à la commande de moteur (2). Afin d'obtenir une utilisation simultanée de l'entrée de commande (13) pour une communication, l'étage d'entrée (1) comprend un premier comparateur (5) pour comparer le signal d'entrée présentant une première tension de seuil Us1 supérieure à Usupérieure, et une unité de sortie de données (10). L'unité de sortie de données (10) produit un signal de communication en fonction d'au moins une partie du signal d'entrée. Le premier comparateur (5) produit, lorsque le signal d'entrée atteint ou dépasse la première tension de seuil Us1, un signal d'activation qui active la sortie du signal de communication par l'unité de sortie de données (10) au niveau de la sortie (4). L'invention concerne en outre une commande de moteur, en particulier pour un moteur électrique, qui comporte un étage d'entrée correspondant et un adaptateur d'interface pour l'étage d'entrée.
EP15825923.4A 2014-12-15 2015-11-20 Etage d'entrée pour controler un moteur et le controle du moteur, notamment pour un moteur électrique Active EP3123608B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201530733T SI3123608T1 (sl) 2014-12-15 2015-11-20 Vhodna stopnja za krmiljenje motorja in krmiljenje motorja, zlasti za elektromotor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014225876.6A DE102014225876A1 (de) 2014-12-15 2014-12-15 Eingangsstufe für eine Motorsteuerung sowie Motorsteuerung, insbesondere für einen Elektromotor
PCT/DE2015/200513 WO2016095914A2 (fr) 2014-12-15 2015-11-20 Étage d'entrée pour une commande de moteur, et commande du moteur, en particulier pour un moteur électrique

Publications (2)

Publication Number Publication Date
EP3123608A2 true EP3123608A2 (fr) 2017-02-01
EP3123608B1 EP3123608B1 (fr) 2019-02-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15825923.4A Active EP3123608B1 (fr) 2014-12-15 2015-11-20 Etage d'entrée pour controler un moteur et le controle du moteur, notamment pour un moteur électrique

Country Status (10)

Country Link
US (1) US10141883B2 (fr)
EP (1) EP3123608B1 (fr)
JP (1) JP6633634B2 (fr)
CN (1) CN107112942B (fr)
BR (1) BR112017010104B1 (fr)
DE (1) DE102014225876A1 (fr)
ES (1) ES2721540T3 (fr)
RU (1) RU2686842C2 (fr)
SI (1) SI3123608T1 (fr)
WO (1) WO2016095914A2 (fr)

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* Cited by examiner, † Cited by third party
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DE102016121557A1 (de) 2016-11-10 2018-05-17 Ebm-Papst Mulfingen Gmbh & Co. Kg PMPWM-Schnittstelle
DE102018211850A1 (de) * 2018-07-17 2020-01-23 Ziehl-Abegg Se Verfahren zum Bewerten einer Betriebsbereitschaft eines Elektromotors sowie Elektromotor und Ventilator
DE102018211846A1 (de) * 2018-07-17 2020-01-23 Ziehl-Abegg Se Verfahren und System zum Bewerten eines Schwingungsverhaltens eines Elektromotors
EP4015827B1 (fr) * 2020-12-16 2023-09-27 Grundfos Holding A/S Ensemble pompe et procédé de commande d'un moteur électrique pour la commande d'un rotor d'une unité de pompage d'un ensemble pompe

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Also Published As

Publication number Publication date
ES2721540T3 (es) 2019-08-01
RU2686842C2 (ru) 2019-05-06
BR112017010104B1 (pt) 2022-06-28
JP6633634B2 (ja) 2020-01-22
DE102014225876A1 (de) 2016-07-28
CN107112942A (zh) 2017-08-29
WO2016095914A2 (fr) 2016-06-23
WO2016095914A3 (fr) 2016-08-11
US20170324366A1 (en) 2017-11-09
US10141883B2 (en) 2018-11-27
RU2017125147A3 (fr) 2019-03-14
EP3123608B1 (fr) 2019-02-06
JP2017538392A (ja) 2017-12-21
CN107112942B (zh) 2020-06-09
RU2017125147A (ru) 2019-01-17
SI3123608T1 (sl) 2019-06-28
BR112017010104A2 (pt) 2018-01-02

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